Dev fix: row().node() should return null or the row element

- It wasn't with the registerPural API method because the function was
  returning undefined, which tells the wrapper to use the Api instance

.datatables-commit-sync

@@ -1 +1 @@
-5d035215dcd0b65bde70c00de28bcbc3154bb447
+856167bc79ad1c3e74ca0cd811aa0dbebe51b410

media/js/jquery.dataTables.js

@@ -7488,14 +7488,12 @@
 	} );
 	
 	
-	_api_registerPlural( 'rows().nodes()', 'row().node()' , function () {
+	_api_register( 'rows().nodes()', function () {
 		return this.iterator( 'row', function ( settings, row ) {
-			// use pluck order on an array rather - rows gives an array, row gives it individually
 			return settings.aoData[ row ].nTr || undefined;
 		} );
 	} );
 	
-	
 	_api_register( 'rows().data()', function () {
 		return this.iterator( true, 'rows', function ( settings, rows ) {
 			return _pluck_order( settings.aoData, rows, '_aData' );
@@ -7515,14 +7513,12 @@
 		} );
 	} );
 	
-	
 	_api_registerPlural( 'rows().indexes()', 'row().index()', function () {
 		return this.iterator( 'row', function ( settings, row ) {
 			return row;
 		} );
 	} );
 	
-	
 	_api_registerPlural( 'rows().remove()', 'row().remove()', function () {
 		var that = this;
 	
@@ -7611,6 +7607,15 @@
 	} );
 	
 	
+	_api_register( 'row().node()', function () {
+		var ctx = this.context;
+	
+		return ctx.length && this.length ?
+			ctx[0].aoData[ this[0] ].nTr || null :
+			null;
+	} );
+	
+	
 	_api_register( 'row.add()', function ( row ) {
 		// Allow a jQuery object to be passed in - only a single row is added from
 		// it though - the first element in the set